18184131

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 32011200

約数和(自身を除く): 13827069

約数列:

[1, 3, 7, 9, 21, 29, 37, 63, 87, 111, 203, 259, 261, 269, 333, 609, 777, 807, 1073, 1827, 1883, 2331, 2421, 3219, 5649, 7511, 7801, 9657, 9953, 16947, 22533, 23403, 29859, 54607, 67599, 69671, 70209, 89577, 163821, 209013, 288637, 491463, 627039, 865911, 2020459, 2597733, 6061377, 18184131]

約数ペア:

[(1, 18184131), (3, 6061377), (7, 2597733), (9, 2020459), (21, 865911), (29, 627039), (37, 491463), (63, 288637), (87, 209013), (111, 163821), (203, 89577), (259, 70209), (261, 69671), (269, 67599), (333, 54607), (609, 29859), (777, 23403), (807, 22533), (1073, 16947), (1827, 9953), (1883, 9657), (2331, 7801), (2421, 7511), (3219, 5649)]